Non-profit advocacy lowers the cost of AIDS drugs by pressuring insurance companies:  https://nonprofitquarterly.org/policysocial-context/25866-advocacy-lowers-cost-of-drugs-for-hiv-aids.html?utm_source=hs_email&utm_medium=email&utm_content=16798612&_hsenc=p2ANqtz-_VCpb5HHOn2Qebm1k8Iz8gyCKvn3HB-D7tgP2yuCvZSR0Q54LxZyTNGsTbmmCcLHKg1P3AlcgliY8OufkJXw-3Ahbkygwp4PqugfA9XRBk8SorBuk&_hsmi=16798612